My heartfelt condolences for the loss of your beloved, David. Please know that Jehovah God and his son Jesus Christ is aware of your pain and they care for you. (2 Corinthians 1:3,4) . I pray that you are able to find comfort in God's promise of paradise where there will be no more pain and sorrow (Revelation 21:4,5)  and the many wonderful  memories of your loved one becoming a reality in the future resurrection in paradise.  (Acts 24:15). Please accept my sincere condolences.